Sha256: cece7b51444c6064a5800e919b852793f94ba4f6975d30df4935d5a8bd629191
Contents?: true
Size: 1.95 KB
Versions: 12
Compression:
Stored size: 1.95 KB
Contents
# -*- encoding : utf-8 -*-
class Card
# Model for the card_virtuals table.
# It provides method to get and store content for virtual cards from
# the card_virtuals table.
class Virtual < ApplicationRecord
def update new_content
update_attributes! content: new_content
new_content
end
class << self
def create card, virtual_content=nil
validate_card card
virtual_content ||= block_given? ? yield : card.generate_virtual_content
virtual = new left_id: left_id(card), right_id: right_id(card),
content: virtual_content
virtual.save!
virtual
end
def fetch_content card, &block
find_content_by_card(card) || create(card, &block).content
end
def fetch card, &block
find_by_card(card) || create(card, &block)
end
def refresh card
virtual = find_by_card(card)
return create(card) unless virtual
virtual.update card.generate_virtual_content
end
def find_content_by_card card
where_card(card).pluck(:content).first
end
def find_by_card card
where_card(card).take
end
private
def where_card card
where left_id: left_id(card), right_id: right_id(card)
end
def left_id card
if card.junction?
card.left_id || ((l = card.left) && l.id)
else
card.id
end
end
def right_id card
if card.junction?
card.right_id || ((r = card.right) && r.id)
else
-1
end
end
def validate_card card
reason ||=
if card.junction?
"needs left_id" unless left_id(card)
"needs right_id" unless right_id(card)
elsif !card.id
"needs id"
end
return unless reason
raise Card::Error, card.name, "count not cacheable: card #{card.name} #{reason}"
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems